implemented some view specs
added controller specs and played with columb widths in show view
undefined step "I should see the avatar for "Alice"" (Cucumber::Undefined)
added columns and avatar styling to profile page layout
prevented avatar link from opening profile page in a new tab
Written scenario: having edit button
undefined step "I should see the avatar for "Alice"" (Cucumber::Undefined)
Passing test for user's edit button
cleanup of html indentation in view
added Joined on: (date) to UserProfile